| 1. | Unsolved Marathon Season 2 | 6:34:26 | | The Unsolved
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| 2. | Unsolved Marathon Season 1 | 4:38:11 | |
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| 3. | Unsolved Supernatural Season 3 Marathon | 4:02:54 | | The Unsolved
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| 4. | Unsolved True Crime Season 3 Marathon | 3:31:53 | | The Unsolved
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| 5. | Unsolved Supernatural Season 4 Marathon | 3:27:59 | | The Unsolved
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| 6. | Unsolved Season 4 True Crime Marathon | 3:10:22 | | The Unsolved
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| 7. | Unsolved True Crime Season 5 Marathon | 2:41:24 | | The Unsolved
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| 8. | Unsolved Supernatural Season 5 Marathon | 2:36:09 | | The Unsolved
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| 9. | Unsolved True Crime Season 6 Marathon | 2:22:12 | | The Unsolved
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| 10. | Hey There Demons, It's A Spooky Yule Log | 57:14 | Vlog |
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| 11. | Return To The Demonic Sallie House | 55:40 | |
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| 12. | The Demonic Possession of the Conjuring House | 43:30 | | Possession
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| 13. | BuzzFeed Unsolved: The Making of the Final Investigation | 37:19 | | The Unsolved
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| 14. | How They Were Caught Marathon: Jeffrey Epstein, The Menendez Brothers, BTK | 35:42 | |
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| 15. | The Haunted Halls of Morris-Jumel Mansion | 35:24 | |
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| 16. | The Haunting of Hannah Williams | 35:10 | |
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| 17. | The Horrors of Villisca Ax Murder House | 34:31 | | Murder House
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| 18. | The Bizarre Death of Alfred Loewenstein | 33:59 | |
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| 19. | I Solved The Disappearance Of My Dad's Best Friend | 33:12 | |
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| 20. | The Spirits of Pythian Castle | 32:07 | |
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| 21. | The Treacherous Treasure Hunt of Forrest Fenn | 30:56 | |
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| 22. | The Unbelievable Horrors of the Old City Jail | 30:29 | | The Unsolved
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| 23. | The Puzzling Disappearance of Agatha Christie | 30:24 | |
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| 24. | The Horrifying Abuse Within Children Of God | 30:09 | |
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| 25. | Yuma Territorial Prison - Q+A | 29:23 | |
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| 26. | The Suspicious Death Of Harry Houdini | 29:23 | |
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| 27. | Return To The Horrifying Winchester Mansion | 29:19 | |
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| 28. | The Tragic Death of Princess Diana | 28:56 | |
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| 29. | The Haunting Of Loey Lane | 28:23 | |
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| 30. | The Gettysburg Ghosts of Farnsworth House Inn | 28:14 | |
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| 31. | The Rise And Fall Of The Manson Family Cult | 28:06 | |
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| 32. | Unsolved Almost 70th Episode Retrospective | 28:06 | Show | The Unsolved
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| 33. | The Bizarre Collar Bomb Bank Robbery | 28:05 | |
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| 34. | The Haunting Murder Case Of The Hammersmith Ghost | 27:15 | | The Unsolved
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| 35. | The Puzzling Case of Marilyn and Sam Sheppard | 27:05 | |
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| 36. | The Mysterious Death of George Reeves | 26:52 | |
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| 37. | The Torturous & Demonic Bell Witch Hauntings | 26:36 | |
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| 38. | BuzzFeed Unsolved: True Crime Q+A | 26:30 | |
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| 39. | The Menacing Case of the Monster with 21 Faces | 26:28 | |
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| 40. | The Haunted Shadows Of The St. Augustine Lighthouse | 26:26 | |
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| 41. | The Chilling Black Dahlia Murder Revisited | 26:24 | | Black Dahlia
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| 42. | The Abusive and Shocking Stanford Prison Experiment | 26:23 | |
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| 43. | The Eerie Vanishing Of The Flannan Isles Lighthouse Keepers | 26:02 | | The Unsolved
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| 44. | The Daring Heists Of The Elusive Pink Panthers | 26:01 | |
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| 45. | The Tinseltown Murder Of Thelma Todd | 25:11 | |
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| 46. | The Bizarre Disappearance of Bobby Dunbar | 25:04 | |
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| 47. | I Expose Online Predators Targeting Minors With Hypnosis | 24:59 | |
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| 48. | The Demon Priest of Mission Solano | 24:20 | |
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| 49. | I Lay In A Bed Of Snakes To Cure My Snake Phobia | 24:17 | |
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| 50. | Survivor of Waco Recounts The Deadly Standoff • Rise & Fall | 24:09 | |
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| 51. | The Haunted Town Of Tombstone | 24:03 | |
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| 52. | The Sinister Disappearance of Jimmy Hoffa | 23:49 | |
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| 53. | The Hunt For La Llorona - The Weeping Woman | 23:47 | |
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| 54. | The Demonic Curse of Annabelle the Doll | 23:42 | |
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| 55. | The Hollywood Ghosts of the Legendary Viper Room | 23:40 | |
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| 56. | The Maritime Mystery Of The Mary Celeste | 23:38 | | The Unsolved
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| 57. | The Macabre Death Of Edgar Allan Poe | 23:29 | | The Unsolved
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| 58. | The Perplexing Disappearance of Judge Joseph F. Crater | 23:19 | |
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| 59. | The Incredible Alcatraz Prison Break | 23:18 | | Alcatraz
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| 60. | The Abduction Of Barney And Betty Hill: Was It Aliens Or False Memory Effect? | 23:17 | |
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| 61. | The Terrifying Organization That Brainwashed America's Elite: NXIVM | 23:15 | |
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| 62. | The Creepy Quandary of Who Put Bella in the Wych Elm | 23:08 | | The Unsolved
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| 63. | How They Were Caught: O.J. Simpson | 23:05 | | The Unsolved
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| 64. | The Horrifying Texarkana Phantom Killer | 22:59 | |
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| 65. | 3 Videos From The Pentagon's Secret UFO Program | 22:54 | |
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| 66. | The History of UFOs | 22:42 | |
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| 67. | The Lost Souls Of The USS Yorktown | 22:32 | |
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| 68. | Criminal Psychologist Explains The Twisted Mind Of Jeffrey Dahmer | 22:14 | Vlog |
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| 69. | The Intergalactic Cult That Met A Tragic Fate: Heaven’s Gate | 22:11 | | Heaven's Gate
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| 70. | Private Investigator Vs. Psychic: Can You Tell Who Has Seen A Dead Body? | 22:05 | |
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| 71. | Eight Day Bride - Q+A | 22:03 | |
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| 72. | I Confronted My Online Scammer (ft. Jim Browning & Scammer Payback) | 22:01 | |
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| 73. | The History Of Witches | 21:55 | |
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| 74. | Understanding The Violent Acts of Shoko Asahara And His Following: Aum Shinrikyo | 21:53 | |
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| 75. | The Impossible Disappearance Of Dorothy Arnold | 21:52 | |
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| 76. | The Bizarre Life & Death Of Grigori Rasputin | 21:38 | |
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| 77. | Forrest Fenn - Q+A | 21:34 | |
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| 78. | The Curious Death Of Vincent Van Gogh | 21:22 | |
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| 79. | The Terrors of Yuma Territorial Prison | 21:18 | |
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| 80. | The Suspicious Case of the Reykjavik Confessions | 21:12 | |
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| 81. | Who Were The Radium Girls? | 21:09 | |
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| 82. | The Covert Poisoning of an Ex-Russian Spy | 21:09 | |
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| 83. | The Eerie Case Of The Watcher | 21:07 | | The Watchers
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| 84. | Private Investigator Vs. Regular Person Vs. Psychic: Who Had A Botched Surgery? | 21:06 | |
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| 85. | The Shocking Florida Machete Murder | 21:04 | |
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| 86. | The Catfish Behind The Facebook Murders: Jenelle Potter | 20:54 | |
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| 87. | The Internet's First Serial Killer: John E. Robinson | 20:43 | |
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| 88. | I Survived Japanese-American Internment During World War 2 | 20:38 | |
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| 89. | The Frat Hazing Death That Materialized A Ghost | 20:31 | |
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| 90. | The Rise And Fall Of The Peoples Temple Cult (Jonestown Massacre) | 20:22 | |
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| 91. | The Sudden Disappearance Of Cynthia Anderson | 20:21 | |
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| 92. | The Most Convincing Bigfoot Evidence | 20:20 | |
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| 93. | The Mysterious Death Of The Eight Day Bride | 19:52 | |
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| 94. | Litvinenko - Q+A | 19:35 | |
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| 95. | The Missing Identity Of The Lady Of The Dunes | 19:26 | |
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| 96. | The Deep Space Discovery That Still Puzzles Scientists | 19:14 | |
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| 97. | Somerton Man - Q&A | 19:07 | |
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| 98. | Which Catastrophic Event Nearly Ended The World? | 19:00 | Show | The Unsolved
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| 99. | I Survived The Vegas Music Festival Shooting | 18:50 | |
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| 100. | The Mysterious Hollywood Disappearance of Jean Spangler | 18:47 | |
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